Answer:
observer effects.
Explanation:
Observer effects refer to a form of reaction due to the cognitive bias of a researcher causes an unconscious influence on the participants involved in the research. In other words, the observers see a behavior and interpret it according to what it means to them, while not considering the context in which the participant behaved that way.
They got it from China since they had silk and porcelain there
A muscle that contracts without conscious control
First there were 8 crusades
Where Jesus lived and taught
Common people led by Peter, then he got the kings involved
Answer:
2.) the development of railroads affected the country because historians aruge over the fact whether railroads determened the pace of economic development in nineteenth-centry America
Explanation:
or
1) The first industrial revolution increased use of coal,and developed steam power
the second revolution introduced electric power ,automatic symbols and structural steel for building or construction
